http://api.tweetmeme.com/imagebutton.gif?url=http://sports.espn.go.com/nba/truehoop/miamiheat/news/story?id=5682919&campaign=rss&source=NBAHeadlines (http://api.tweetmeme.com/share?url=http://sports.espn.go.com/nba/truehoop/miamiheat/news/story?id=5682919&campaign=rss&source=NBAHeadlines&service=bit.ly&source=espn)The Miami Heat held out LeBron James against the New Orleans Hornets on Wednesday night, saying his right hamstring remained tight from an exhibition game a night earlier.